Mastering GitLab 12

security_group.tf

In this file, we define the security groups that are in use for this VPC. A security group consists of ingress (incoming) and eggress (outgoing) traffic definitions:

resource "aws_security_group" "SG-frontendservers"{    name = "SG-frontendservers"    vpc_id = "${aws_vpc.gitlabha.id}"    description = "Security group for frontendservers"    ingress {        from_port = 22        to_port = 22        protocol = "TCP"        security_groups = ["${aws_security_group.SG-bastionhosts.id}"]        description = "Allow incoming SSH traffic from bastion hosts"}

The first two attributes define the name for the group, as well as the ID of the VPC to which this group belongs:

  name = "SG-frontendservers"  vpc_id = "${aws_vpc.gitlabha.id}" description = "Security group for frontendservers" ...